var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0, ABOUT = 0, IT = 0, ABOUTCLICK = 0, ITCLICK = 0;


function DHTML_init() {

 if (window.opera) {
     OP = 1;
 }
 if(document.getElementById) {
   DHTML = 1;
   DOM = 1;
 }
 if(document.all && !OP) {
   DHTML = 1;
   MS = 1;
 }
if(window.netscape && window.screen && !DOM && !OP) {
   DHTML = 1;
   NS = 1;
 }
}

function getElem(p1,p2,p3) {
 var Elem;
 if(DOM) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.getElementById(p2) == "object")
     Elem = document.getElementById(p2);
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document.getElementsByName(p2) == "object")
     Elem = document.getElementsByName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.getElementsByTagName(p2) == "object" || (OP && typeof document.getElementsByTagName(p2) == "function"))
     Elem = document.getElementsByTagName(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(MS) {
   if(p1.toLowerCase()=="id") {
     if (typeof document.all[p2] == "object")
     Elem = document.all[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="tagname") {
     if (typeof document.all.tags(p2) == "object")
     Elem = document.all.tags(p2)[p3];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="name") {
     if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
 else if(NS) {
   if(p1.toLowerCase()=="id" || p1.toLowerCase()=="name") {
   if (typeof document[p2] == "object")
     Elem = document[p2];
     else Elem = void(0);
     return(Elem);
   }
   else if(p1.toLowerCase()=="index") {
    if (typeof document.layers[p2] == "object")
     Elem = document.layers[p2];
    else Elem = void(0);
     return(Elem);
   }
   else return void(0);
 }
}

function getCont(p1,p2,p3) {
   var Cont;
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
     if(getElem(p1,p2,p3).firstChild.nodeType == 3)
       Cont = getElem(p1,p2,p3).firstChild.nodeValue;
     else
       Cont = "";
     return(Cont);
   }
   else if(MS && getElem(p1,p2,p3)) {
     Cont = getElem(p1,p2,p3).innerText;
     return(Cont);
   }
   else return void(0);
}

function getAttr(p1,p2,p3,p4) {
   var Attr;
   if((DOM || MS) && getElem(p1,p2,p3)) {
     Attr = getElem(p1,p2,p3).getAttribute(p4);
     return(Attr);
   }
   else if (NS && getElem(p1,p2)) {
       if (typeof getElem(p1,p2)[p3] == "object")
        Attr=getElem(p1,p2)[p3][p4]
       else
        Attr=getElem(p1,p2)[p4]
         return Attr;
       }
   else return void(0);
}

function setCont(p1,p2,p3,p4) {
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
     getElem(p1,p2,p3).firstChild.nodeValue = p4;
   else if(MS && getElem(p1,p2,p3))
     getElem(p1,p2,p3).innerText = p4;
   else if(NS && getElem(p1,p2,p3)) {
     getElem(p1,p2,p3).document.open();
     getElem(p1,p2,p3).document.write(p4);
     getElem(p1,p2,p3).document.close();
   }
}

DHTML_init();



function MenueAbout() {
 ABOUT = 1;
 if(DOM && !ABOUTCLICK && !ITCLICK) {
   	getElem("id","NavAbout",null).style.position = "absolute";
	getElem("id","NavAbout",null).style.top = 299;
	getElem("id","NavAbout",null).style.left = 138;

 }
 
 if((DOM || MS) && !ABOUTCLICK && !ITCLICK) 
 {
   getElem("id","NavAbout",null).style.visibility = "visible";
 }
 else if(NS && !ABOUTCLICK && !ITCLICK) {
  getElem("id","NavAbout",null).visibility = "show";
 }
}

function MenueIT() {
 IT = 1;
 if(DOM && !ABOUTCLICK && !ITCLICK) {
   	getElem("id","NavIT",null).style.position = "absolute";
	getElem("id","NavIT",null).style.top = 318;
	getElem("id","NavIT",null).style.left = 138;
 }
 if((DOM || MS) && !ABOUTCLICK && !ITCLICK) 
 {
   getElem("id","NavIT",null).style.visibility = "visible";
 }
 else if(NS && !ABOUTCLICK && !ITCLICK) {
  getElem("id","NavIT",null).visibility = "show";
 }
}


function noMenueAbout() {
ABOUT = 0;
 if(DOM || MS)
  getElem("id","NavAbout",null).style.visibility = "hidden";
 if(NS)
  getElem("id","NavAbout",null).visibility = "hide";
}

function noMenueIT() {
IT = 0;
 if(DOM || MS)
  getElem("id","NavIT",null).style.visibility = "hidden";
 if(NS)
  getElem("id","NavIT",null).visibility = "hide";
}

function handleMove(ev) {
 if(!MS) {
   Event = ev;
   if (ABOUT && !ABOUTCLICK)
		{
			if(	(Event.screenX > 258 || Event.screenY < 400 || Event.screenY > 512)  
				|| ( Event.screenX < 140 &&( Event.screenY < 400 || Event.screenY > 422 ) ) )
			{
				noMenueAbout();
			}
		}
  if (IT && !ITCLICK)
		{
			if(	(Event.screenX > 258 || Event.screenY < 420 || Event.screenY > 490)
				|| ( Event.screenX < 140 &&( Event.screenY < 420 || Event.screenY > 437 ) )	 )
			{
				noMenueIT();
			}
		}
   
 }
}

function MShandleMove() 
{
	if(MS) 
	{
		if (ABOUT && !ABOUTCLICK)
		{
			if(	window.event.clientX > 258 || window.event.clientY < 297 || window.event.clientY > 357 
				|| ( window.event.clientX < 140 && (  window.event.clientY < 297 || window.event.clientY > 318 ) ) )
			{
				noMenueAbout();
			}
		}
		if (IT && !ITCLICK)
		{
			if(	window.event.clientX > 258 || window.event.clientY < 314 || window.event.clientY > 515
				|| ( window.event.clientX < 140 && (  window.event.clientY < 318 || window.event.clientY > 338 ) ) )
			{
				noMenueIT();
			}
		}
	}
  
}

function Event_init() {

	if(DOM && !MS) 
	{
		getElem("tagname","body",0).addEventListener("mousemove", handleMove, true);
	}
	
	if(NS) 
	{
		document.captureEvents(Event.MOUSEMOVE);
		document.onmousemove=handleMove;
	}
	
	if (DOM) 
	{
	    document.onmousemove=handleMove;
		
	}

	if (MS)
	{ 
		getElem("tagname","body",0).onmousemove=MShandleMove;
	}
}

function toggleABOUTMenue() {
	if (ABOUT && ABOUTCLICK) {
		noMenueAbout();
		ABOUTCLICK = 0;
		Event_init();
	} else {
		MenueAbout();
		ABOUTCLICK = 1;
		Event_init();
	}
	
}

function toggleITMenue() {
	if (IT && ITCLICK) {
		noMenueIT();
		ITCLICK = 0;
		Event_init();
	} else {
		MenueIT();
		ITCLICK = 1;
		Event_init();
	}
	
}